Designing catalytic nanomotors by dynamic shadowing growth.

Full Abstract

Using a geometric shadowing effect, a thin catalyst layer can be coated asymmetrically on the side of a nanorod backbone. Combining with substrate rotation, a dynamic shadowing growth technique has been developed to fabricate catalytic nanomotors such as rotary Si/Pt nanorods, rotary L-shaped Si/Pt and Si/Ag nanorods, and rolling Si/Ag nanosprings, and their autonomous motions have been demonstrated in a diluted H2O2 solution. This fabrication method reveals an optimistic step toward designing integrated nanomachines.

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Author information

Author/s: He, Yuping (Y); Wu, Jinsong (J); Zhao, Yiping (Y);

Affiliation: Department of Physics and Astronomy, and Nanoscale Science and Engineering Center, University of Georgia, Athens, Georgia 30602, USA.

Journal and publication information

Publication Type: Journal Article

Journal: Nano letters (Nano Lett), published in United States. (Language: eng)

Reference: 2007-May; vol 7 (issue 5) : pp 1369-75

Dates: Created 2007/05/09; Completed 2007/06/25;

PMID: 17430007, status: PubMed-not-MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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